SQL Server实现分页查询的存储过程，效率一般不适合大数据表的分页查询

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/*********************************************************************************
*      Copyright (C) 2012 comcretive.net,All Rights Reserved					 *
*      Function:  MesnacPaging													 *
*      Description:                                                              *
*			  通用分页存储过程							    					 *
*      Author:                                                                   *
*             郑立兵(zhlb)                                                       *
*      Finish DateTime:                                                          *
*             2012年9月24日                                                      *
*      History:																	 *
*             2012/9/24 Edit By zhlb											 *
*	   Example:																	 *
*	          MesnacPaging @TableName='表名',@Orderfld='排序列名'                *
*********************************************************************************/
CREATE PROCEDURE MesnacPaging
(
	@TableName		nvarchar(50),			-- 表名
	@ReturnFields	nvarchar(2000) = '*',	-- 需要返回的列 
	@PageSize		int = 10,				-- 每页记录数
	@PageIndex		int = 1,				-- 当前页码
	@Where			nvarchar(2000) = '',	-- 查询条件
	@Orderfld		nvarchar(2000),			-- 排序字段名 最好为唯一主键
	@OrderType		int = 1					-- 排序类型 1:降序 其它为升序
	
)
AS
    DECLARE @TotalRecord int
	DECLARE @TotalPage int
	DECLARE @CurrentPageSize int
    DECLARE @TotalRecordForPageIndex int
    DECLARE @OrderBy nvarchar(255)
    DECLARE @CutOrderBy nvarchar(255)
	
	if @OrderType = 1
		BEGIN
			set @OrderBy = ' Order by ' + REPLACE(@Orderfld,',',' desc,') + ' desc '
			set @CutOrderBy = ' Order by '+ REPLACE(@Orderfld,',',' asc,') + ' asc '
		END
	else
		BEGIN
			set @OrderBy = ' Order by ' +  REPLACE(@Orderfld,',',' asc,') + ' asc '
			set @CutOrderBy = ' Order by '+ REPLACE(@Orderfld,',',' desc,') + ' desc '			
		END
	
	
        -- 记录总数
	declare @countSql nvarchar(4000)  
	set @countSql='SELECT @TotalRecord=Count(*) From '+@TableName+' '+@Where
	execute sp_executesql @countSql,N'@TotalRecord int out',@TotalRecord out
	
	SET @TotalPage=(@TotalRecord-1)/@PageSize+1
	SET @CurrentPageSize=@PageSize
        IF(@TotalPage=@PageIndex)
	BEGIN
		SET @CurrentPageSize=@TotalRecord%@PageSize
		IF(@CurrentPageSize=0)
			SET @CurrentPageSize=@PageSize
	END
	-- 返回记录
	set @TotalRecordForPageIndex=@PageIndex*@PageSize
	exec('SELECT * FROM
		(SELECT TOP '+@CurrentPageSize+' * FROM
			(SELECT TOP '+@TotalRecordForPageIndex+' '+@ReturnFields+'
			FROM '+@TableName+' '+@Where+' '+@OrderBy+') TB2
		'+@CutOrderBy+') TB3
              '+@OrderBy)
	-- 返回总页数和总记录数
	SELECT @TotalPage as PageCount,@TotalRecord as RecordCount
GO
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SET ANSI_NULLS ON 
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分页思路整理
1、通用(SQL200/SQL2005)排除法not in 、top

--公式
select top pageSize * from 表
where 主键 not in (select top ((currentPageIndex -1) * pageSize) 主键 from 表 order by 字段)
order by 字段
--实例
select top 3 * from books
where id not in(select top 6 id from books order by id) 
order by id

2、(SQL2005及更高版本)row_number()分析函数

--公式
select * from 
(select *,row_number() over(order by 字段) as rand from 表) as 新表
where rank between (currentPageIndex -1) * pageSize +1 and currentPageIndex * pageSize
order by 字段
--实例
select * from
(select *,row_number() over(order by id) as rank from books) as newtable
where rank between 7 and 9
order by id

3、(主键为数值时)max()

select top 3 * from books
where id > (select max(id) from (select top 6 id from books order by id) as newtable)
order by id